package org.itstack.demo.design;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @Author: fanYuLe
 * @CreateTime: 2023-12-15  15:01
 * @Description: 静态类使用
 */
public class Singleton_00 {
    public static Map<String,String> cache = new ConcurrentHashMap<>();
}
